, Volume 13, Issue 2, pp 669–679 | Cite as

Effect of Ag Ion Implantation on SPR of Cu-C60 Nanocomposite Thin Film

  • P. Sharma
  • R. Singhal
  • R. Vishnoi
  • D. C. Agarwal
  • M. K. Banerjee
  • S. Chand
  • D. Kanjilal
  • D. K. Avasthi


Cu-C60 nanocomposite thin films are synthesized by co-deposition restive heating method on glass, silicon, and TEM grid substrates. Rutherford backscattering spectroscopy (RBS) analysis is used for determining the composition of Cu and thickness of thin film which one found to be ∼13 at% and ∼28 nm, respectively. The deposited thin films are irradiated with 100 keV Ag ion at different fluences ranging from 1 × 1014 to 3 × 1016 ions/cm2. Being of low energy, Ag ions got implanted in SiO2 substrate up to a depth of 30–40 nm that results in wide surface plasmon resonance (SPR) band in combination with SPR of Cu nanoparticles. UV-visible absorption spectroscopy demonstrates the SPR peak arises due to copper nanoparticles embedded in fullerene C60 matrix on irradiation of nanocomposite thin film and its variation under implantation of Ag nanoparticles in SiO2 substrate. Structural modifications due to ion irradiation are analyzed by Raman and transmission electron microscopy (TEM). Raman spectroscopy study reveals the transformation of fullerene C60 into amorphous carbon (a-C) with increasing fluence. Variation in particle distribution is observed under TEM. The average particle sizes are found to be ∼4 ± 0.7 and ∼6 ± 0.4 nm for pristine and 100 keV Ag ion-irradiated thin films, respectively. Atomic force microscopy (AFM) confirms the increase in grain size with increase in roughness of nanocomposite thin films under the effect of implantation. X-ray photoelectron spectroscopy (XPS) confirms the presence of Cu and C from their chemical bonding in Cu-C60 nanocomposite thin films.


Surface plasmon resonance Fullerene C60 Nanoparticles Ion irradiation 



We are highly thankful to IUAC Pelletron group for providing a stable ion beam during beam time and characterization facilities of RBS and UV-visible absorption spectroscopy. Authors are thankful to Materials Research Center (MRC), MNIT, Jaipur, for providing experimental characterization facility of Raman spectroscopy and TEM. This work is financially supported by the Department of Science and Technology (DST) under INSPIRE Faculty Project with scheme (IFA-11PH-01). One of authors (R.V.) is thankful for DST New Delhi for support in terms of DST FAST Young Scientist grant (SR/FTP/PS-029/2012).


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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.Malaviya National Institute of TechnologyJaipurIndia
  2. 2.Sant Longowal Institute of Engineering and Technology SangrurLongowalIndia
  3. 3.National Physical LaboratoryNew DelhiIndia
  4. 4.Iner University Accelerator CenterNew DelhiIndia
  5. 5.AmityUniversityNoidaIndia

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